a telephoto lens
远距照相镜头, 摄远镜头
You may use a zoom or telephoto lens on your camera.
你可以在照相机上安装可变距镜头或摄远镜头。
A telephoto lens is available as an option.
一个远距照相的镜头是可加以利用的选择。
If the screen is so far away from the eyepiece that the camera can be placed between.
如果投影屏距目镜很远，照相机可放在两者之间。
long distance infrared flash camera
远距红外闪光照相机
Binoculars, telescope, microscope, photographic camera and equipment.
双筒望远镜，望远镜，显微镜，照相机及附属品。
a photograph transmitted and reproduced by telephotography.
由远距离照相术发射或拍摄的照片。
a photographic lens with a short focal length used to take pictures at short ranges.
带有短焦距在小范围内照相的照相机镜头。
long focus lens
长焦距（望远）镜头
Early that morning he had a camera attached to a telescope.
那天清晨，他把照相机连到了望远镜上。
Set the camera for a long-distance shot.
调整照相机镜头拍摄远景。
He set the camera for a long-distance shot.
他调整照相机镜头拍摄远景。
Lifting up her camera, she took out a zoom lens and put it on.
她举起照相机，取出一个变焦距镜头换上。
adjust the rear mirror, the focus of a camera, the sights of a gun
调准后视镜、 照相机的焦距、 枪炮的瞄准器
In camera, the lens must be focused on the object to be photographed.
照相机内的镜头必须对准要拍照的物体调节焦距。
The Magnitude Measuring System of the Cassegrain Focus Camera of 1 MR. C. C. Telescope
一米望远镜卡焦照相装置的星等系统——云台一米望远镜卡焦照相测光性能研究
I have one camera and one binoculars. Do you weigh them, too?
我有一个照相机及一副望远镜，这些也要秤吗?
A telescope equipped to photograph the sun.
太阳（全色）照相仪装备来拍摄太阳的望远镜